When trying to start up PayPay App from WebView app, not PayPay App but a login screen shows up on browser. Tell me how to start up PayPay App. April 14, 2022 09:50 Updated Refer to the following document for troubleshooting on start-up: App-Invoke-handling-in-webview-(En).docx 20 KB Download Related articles I am trying to call the PayPay payment screen in Webview, but it does not work properly. Please tell me how to set redirectType. What happens if you make payment multiple times with the same merchantPaymentId? Is it possible to execute Get Payment Details for expired payment screen? Such a phenomenon occurs that a button on the screen does not respond on WebView of the Sandbox app. Why is this happening? Comments 0 comments Please sign in to leave a comment.